Maxima Function
resolvante_klein (P, x)
calculates the transformation of P(x) by the function
x_1 x_2 x_4 + x_4.
See also:
resolvante_produit_sym, resolvante_unitaire,
resolvante_alternee1, resolvante, resolvante_klein3,
resolvante_vierer, resolvante_diedrale.